/*
 * Licensed to the Apache Software Foundation (ASF) under one or more
 * contributor license agreements.  See the NOTICE file distributed with
 * this work for additional information regarding copyright ownership.
 * The ASF licenses this file to You under the Apache License, Version 2.0
 * (the "License"); you may not use this file except in compliance with
 * the License.  You may obtain a copy of the License at
 *
 *     http://www.apache.org/licenses/LICENSE-2.0
 *
 * Unless required by applicable law or agreed to in writing, software
 * distributed under the License is distributed on an "AS IS" BASIS,
 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
 * See the License for the specific language governing permissions and
 * limitations under the License.
 */

package weeek11.topic10;

import redis.clients.jedis.Jedis;
import redis.clients.jedis.JedisPool;

import java.util.Random;
import java.util.Set;


public class RankTest {

    public static void main(String[] args) {
        JedisPool jedisPool =JedisPoolUtil.getJedisPool();
        String key = "rank_test";
        try ( Jedis jedis = jedisPool.getResource()) {
            jedis.del(key);
            //init
            Random random = new Random();
            for (int i = 0; i < 1000; i++) {
                String user = "user_" +i;
                jedis.zadd(key, random.nextInt(1000), user);
            }
            //
            Set<String> users = jedis.zrevrange(key, 0, 2);
            System.out.println("Top 3:");
            for (String item: users) {
                System.out.println(item+":"+jedis.zscore(key, item));
            }
        }
    }
}
